ALMA Open House 2026: Call for Volunteers!
At ALMA, we do groundbreaking science every day, but its true value is multiplied when we share it. That's why, as part of Astronomy Day in Chile, we will once again open our doors to the community with a new edition of ALMA Open House 2026 on Friday, March...
ALMA: bringing astronomy closer during Science Month
As every year, during Science Month we develop an intense agenda of outreach activities, with the purpose of bringing astronomy and understanding of the universe closer to diverse audiences, from students and families to local communities. Through these activities, ALMA reaffirms its commitment to scientific outreach...
ALMA achieves historic record for observation hours
With the end of Cycle 11, ALMA celebrates its most successful period since the start of operations. The observatory delivered an unprecedented 4,496 hours of science-quality data on the 12-meter Array — exceeding the 4,250 hours achieved in Cycle 10. This marks the second consecutive year...
Happy National Holidays!
See how we celebrate Chilean culture in every corner of...
Logistics: the cog that keeps ALMA moving
At ALMA, every observation depends on the precise work of the Logistics Department. Comprised of Claudia Johnson, ALMA Logistics Lead, and her colleague Ana Salinas, ALMA Logistics Assistant, both with more than 15 years at the Observatory, this team ensures the movement, distribution, and supply of...
All Hands 2025: Record numbers and an expanding future
On Thursday, September 4, 140 colleagues connected to a new All-Hands meeting. The meeting highlighted the record number of hours observed in Cycle 11, the demand for Cycle 12, and the progress of the ALMA Wideband Sensitivity Upgrade (WSU), which will quadruple ALMA’s sensitivity. The session...
Astronomy and territory: the role of Community Relations at ALMA
At ALMA, working with neighboring communities is a key part of our presence in Chile. Beyond science and observing the universe, there is a real and ongoing commitment to local development, particularly in the Antofagasta Region, where our closest communities — San Pedro de Atacama and...






